From c7ba08ecb969585d251f64d80f3f2996dd779e5d Mon Sep 17 00:00:00 2001
From: Ryan Cramer <ryan@processwire.com>
Date: Fri, 7 Feb 2025 14:21:58 -0500
Subject: [PATCH] Update ProcessController::jsonMessage() method so that it
 supports array argument, primarily for internal debugging purposes

---
 wire/core/ProcessController.php               | 20 +++++++++++--------
 .../ProcessPageSearch.module                  |  2 +-
 2 files changed, 13 insertions(+), 9 deletions(-)

diff --git a/wire/core/ProcessController.php b/wire/core/ProcessController.php
index 76bb42c6..d6512ade 100644
--- a/wire/core/ProcessController.php
+++ b/wire/core/ProcessController.php
@@ -486,18 +486,22 @@ class ProcessController extends Wire {
 	/**
 	 * Generate a message in JSON format, for use with AJAX output
 	 * 
-	 * @param string $msg
-	 * @param bool $error
-	 * @param bool $allowMarkup
+	 * @param string|array $msg Message string or in 3.0.246+ also accepts an array of extra data
+	 *   When using an array, please include a 'message' index with text about the error or non-error.
+	 * @param bool $error Is this in error message? Default is true, or specify false if not. 
+	 * @param bool $allowMarkup Allow markup in message? Applies only to $msg string or 'message' index of array (default=false)
 	 * @return string JSON encoded string
 	 *
 	 */
 	public function jsonMessage($msg, $error = false, $allowMarkup = false) {
-		if(!$allowMarkup) $msg = $this->wire()->sanitizer->entities($msg);
-		return json_encode(array(
-			'error' => (bool) $error, 
-			'message' => (string) $msg
-		)); 
+		$a = array('error' => (bool) $error, 'message' => '');
+		if(is_array($msg)) {
+			$a = array_merge($a, $msg);
+		} else {
+			$a['message'] = (string) $msg;
+		}
+		if(!$allowMarkup) $a['message'] = $this->wire()->sanitizer->entities($a['message']);
+		return json_encode($a); 
 	}
 
 	/**
diff --git a/wire/modules/Process/ProcessPageSearch/ProcessPageSearch.module b/wire/modules/Process/ProcessPageSearch/ProcessPageSearch.module
index 1a3d1a5c..85d3e813 100644
--- a/wire/modules/Process/ProcessPageSearch/ProcessPageSearch.module
+++ b/wire/modules/Process/ProcessPageSearch/ProcessPageSearch.module
@@ -440,7 +440,7 @@ class ProcessPageSearch extends Process implements ConfigurableModule {
 			
 		} // foreach input
 		
-		if(strpos($selectors['for'], 'limit=') && $limit === $this->resultLimit) {
+		if(isset($selectors['for']) && strpos($selectors['for'], 'limit=') && $limit === $this->resultLimit) {
 			if(preg_match('/\blimit=(\d+),?/', $selectors['for'], $matches)) {
 				$limit = (int) $matches[1];
 				$selectors['for'] = str_replace($matches[0], '', $selectors['for']);